Abstract

Abstract Trials were conducted at the Colorado State Horticulture Research Farm. Ft. Collins, CO on transplanted ‘Roma’ tomatoes. Plots were single rows, each row consisting of eight plants, arranged in a randomized complete block with four replications. Spray treatments were applied 17 Jul and 2 Aug as a single pass with a flat-fan nozzle from a CO2-compressed air sprayer; FloTox sulfur was applied with a Dustin-Miser crank duster. Evaluations were done on four plants in the center of each plot and counting all psyllids in a 30-second examination.

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